{"id":5295,"date":"2022-06-12T12:59:40","date_gmt":"2022-06-12T12:59:40","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5295"},"modified":"2026-04-28T10:42:01","modified_gmt":"2026-04-28T10:42:01","slug":"what-are-the-component-raw-materials-of-light-curing-uv-coatings","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/pt\/what-are-the-component-raw-materials-of-light-curing-uv-coatings\/","title":{"rendered":"Quais s\u00e3o as mat\u00e9rias-primas componentes dos revestimentos UV fotopolimeriz\u00e1veis?"},"content":{"rendered":"<h1><strong>Quais s\u00e3o as mat\u00e9rias-primas componentes dos revestimentos UV fotopolimeriz\u00e1veis?<\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Quick answer:<\/strong> For practical formulation work, photoinitiator screening starts with the light source and film build, then checks yellowing, adhesion, and cure completeness under real production conditions.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>O revestimento de cura ultravioleta (UV) \u00e9 um novo tipo de revestimento ecologicamente correto. Ele tem uma taxa de secagem extremamente r\u00e1pida e pode ser curado em apenas alguns segundos por luz UV, com alta efici\u00eancia de produ\u00e7\u00e3o.<br \/>\nOs revestimentos curados por UV s\u00e3o compostos principalmente de olig\u00f4meros, diluentes reativos, fotoiniciadores e aditivos.<\/p>\n<p>1. <a href=\"https:\/\/longchangchemical.com\/pt\/product-category\/-uv-oligomer\/\"><span style=\"color: #00ccff;\"><strong>Olig\u00f4mero UV<\/strong><\/span><\/a><br \/>\nO composto formador de filme \u00e9 a principal composi\u00e7\u00e3o do revestimento, que \u00e9 o componente fluido do revestimento. O desempenho do filme de revestimento, o desempenho de constru\u00e7\u00e3o e outras propriedades especiais do revestimento dependem principalmente do composto formador de filme. O composto formador de filme do revestimento UV \u00e9 um olig\u00f4mero, cujo desempenho determina basicamente o desempenho de constru\u00e7\u00e3o e a taxa de cura da luz do revestimento antes da cura, o desempenho do filme do revestimento e outras propriedades especiais ap\u00f3s a cura.<br \/>\nOs revestimentos UV s\u00e3o principalmente sistemas de cura por luz de radicais livres, de modo que os olig\u00f4meros usados s\u00e3o v\u00e1rios tipos de resinas acr\u00edlicas. Os olig\u00f4meros cati\u00f4nicos de revestimento UV s\u00e3o resinas ep\u00f3xi e compostos de \u00e9ter vin\u00edlico.<\/p>\n<p>2. diluentes ativos<br \/>\nOs diluentes ativos s\u00e3o outro componente importante dos revestimentos UV, que podem diluir e reduzir a viscosidade e tamb\u00e9m t\u00eam a capacidade de ajustar o desempenho do filme curado. O mon\u00f4mero funcional de acrilato tem alta reatividade e baixa volatilidade, por isso \u00e9 comumente usado em revestimentos UV. Os acrilatos s\u00e3o comumente usados como diluentes ativos para revestimentos UV e, na formula\u00e7\u00e3o real, acrilatos simples, duplos e multifuncionais ser\u00e3o usados juntos para complementar seu desempenho e obter um bom efeito geral.<\/p>\n<p><a href=\"https:\/\/longchangchemical.com\/pt\/product-category\/lcnacure-photoinitiator\/\"><span style=\"color: #00ccff;\"><strong>3. Fotoiniciador<\/strong><\/span><\/a><br \/>\nO fotoiniciador \u00e9 um catalisador especial em revestimentos UV, um componente importante dos revestimentos UV, para determinar a taxa de cura por luz dos revestimentos UV.<br \/>\nFor colorless varnish UV coatings, photoinitiators are often used 1173, 184, 651 and BP\/tertiary amine. 184 high activity, low odor, yellowing resistance, is the preferred photoinitiator for yellowing resistant UV coatings, in order to improve the light curing rate, often used in conjunction with <a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-tpo-cas-75980-60-8\/\">Fotoiniciador TPO<\/a>.<br \/>\nFor colored UV coatings, photoinitiators such as ITX, 907, 369, <a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-tpo-cas-75980-60-8\/\">Fotoiniciador TPO<\/a>, and <a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-819-irgacure-819-cas-162881-26-7\/\">Fotoiniciador 819<\/a> are commonly used. Sometimes UV coatings in order to reduce oxygen blocking, improve the light curing rate, often into a small amount of active amine.<\/p>\n<p>4. Aditivos<br \/>\nO agente auxiliar \u00e9 o componente auxiliar do revestimento UV. A fun\u00e7\u00e3o dos aditivos \u00e9 melhorar o desempenho do processamento dos revestimentos, o desempenho do armazenamento e o desempenho da constru\u00e7\u00e3o, melhorar o desempenho do filme e dar ao filme algumas caracter\u00edsticas especiais, etc. Os aditivos comumente usados nos revestimentos UV s\u00e3o antiespumante, agente de nivelamento, agente umectante e dispersante, promotor de ades\u00e3o, agente de fosqueamento, resist\u00eancia, etc., e desempenham um papel diferente nos revestimentos UV.<\/p>\n<p>&nbsp;<\/p>\n<h2><strong>O cheiro da impressora UV \u00e9 t\u00f3xico?<\/strong><\/h2>\n<p>A impressora UV \u00e9 um tipo de equipamento de impress\u00e3o que responde ao ambiente verde. Devido \u00e0 singularidade do m\u00e9todo de cura da impressora UV, no processo de cura por luz UV, \u00e9 inevit\u00e1vel que algum odor seja gerado. Muitos amigos que compraram ou planejam comprar impressoras UV t\u00eam d\u00favidas sobre o cheiro: se o cheiro \u00e9 t\u00f3xico, como lidar com ele?<\/p>\n<p>Obviamente, a preocupa\u00e7\u00e3o do usu\u00e1rio com o cheiro \u00e9 normal, especialmente aqueles que n\u00e3o t\u00eam muita clareza sobre o processo de impress\u00e3o da impressora UV, o cheiro ser\u00e1 mais \u00f3bvio ao usar uma impressora UV de mesa para imprimir materiais de grande formato. Para responder \u00e0s perguntas acima, primeiro devemos entender a composi\u00e7\u00e3o da tinta da impressora UV. Afinal de contas, a fonte do odor est\u00e1 na tinta UV.<\/p>\n<p>&nbsp;<\/p>\n<p>A tinta UV \u00e9 composta principalmente de fotoiniciadores, diluentes reativos, olig\u00f4meros e v\u00e1rios aditivos. A camada de tinta para impressora UV \u00e9 formada por: os fotoiniciadores absorvem a luz UV para produzir radicais livres ou c\u00e1tions, causando a rea\u00e7\u00e3o de reticula\u00e7\u00e3o da polimeriza\u00e7\u00e3o de diluentes reativos e olig\u00f4meros. O odor prov\u00e9m principalmente dos acrilatos da tinta UV, mas tamb\u00e9m de uma pequena quantidade dos aditivos. O odor se desvanecer\u00e1 lentamente em um curto per\u00edodo de tempo e acabar\u00e1 desaparecendo, sendo realmente prejudicial aos seres humanos, e \u00e9 preciso prestar aten\u00e7\u00e3o aos metais pesados, como chumbo, c\u00e1dmio, merc\u00fario, cromo hexavalente, bem como aos bifenilos polibromados, \u00e9teres difen\u00edlicos polibromados, ftalatos e outras subst\u00e2ncias vol\u00e1teis de alto odor e propensas a alergias, cujo conte\u00fado excede o padr\u00e3o. Atualmente, os fabricantes regulares de tinta podem fornecer os relat\u00f3rios de teste das subst\u00e2ncias acima.<\/p>\n<p>Como conhecemos a composi\u00e7\u00e3o da tinta UV, a fonte do odor e o foco para detectar quais componentes nocivos, s\u00f3 precisamos fazer o seguinte na sele\u00e7\u00e3o real do produto, na produ\u00e7\u00e3o de impress\u00e3o, voc\u00ea n\u00e3o pode se preocupar com envenenamento ou outros danos graves ao corpo humano. Em segundo lugar, independentemente de o cheiro ser t\u00f3xico, para considera\u00e7\u00f5es de seguro e conforto do operador, o uso do ambiente de produ\u00e7\u00e3o deve ter boa ventila\u00e7\u00e3o, as condi\u00e7\u00f5es da unidade podem ser configuradas com algumas luvas, m\u00e1scaras e outros equipamentos de prote\u00e7\u00e3o; finalmente, a impress\u00e3o de res\u00edduos para facilitar a reciclagem ou o descarte para evitar a \"polui\u00e7\u00e3o secund\u00e1ria\".<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>A practical selection route for photoinitiator-related projects<\/h2>\n<p>When technical buyers or formulators screen photoinitiators, the most useful decision frame is usually cure quality plus application fit: which package cures reliably, keeps appearance acceptable, and still works under the lamp, film thickness, and substrate conditions of the actual process.<\/p>\n<ul>\n<li><strong>Match the package to the lamp first:<\/strong> mercury lamps, UV LEDs, and visible-light systems can rank the same photoinitiators very differently.<\/li>\n<li><strong>Check depth cure and surface cure separately:<\/strong> a film that feels dry on top can still be weak underneath.<\/li>\n<li><strong>Balance yellowing with reactivity:<\/strong> the strongest deep-cure route is not always the best commercial choice if color or migration risk becomes unacceptable.<\/li>\n<li><strong>Use the final formula as the benchmark:<\/strong> pigment load, monomer package, and film thickness can all change the apparent ranking of the same initiator.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-819-irgacure-819-cas-162881-26-7\/\">CHLUMINIT 819<\/a>:<\/strong> Useful when a formulation needs stronger absorption and deeper cure support.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-184-cas-947-19-3\/\">CHLUMINIT 184<\/a>:<\/strong> A classic free-radical benchmark for fast surface cure in many UV systems.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/irgacure-1173-cas-7473-98-5\/\">CHLUMINIT 1173<\/a>:<\/strong> A practical comparison point for classic short-wave UV initiation.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/photoinitiator-itx-cas-5495-84-1\/\">CHLUMINIT ITX<\/a>:<\/strong> A useful long-wave support route in many printing-ink packages.<\/li>\n<\/ul>\n<h3>FAQ for buyers and formulators<\/h3>\n<p><strong>Why are blended photoinitiator packages so common?<\/strong><br \/>Because one product may control yellowing or lamp fit well while another improves cure depth or line-speed performance, so the full package is often stronger than any single grade.<\/p>\n<p><strong>Should incomplete cure always be solved by adding more initiator?<\/strong><br \/>Not automatically. The real limitation may be the lamp, film thickness, pigment shading, or the rest of the reactive system rather than simple under-dosage.<\/p>\n<p><!-- lc-commercial-end --><\/p>\n<h2><strong><b>Entre em contato conosco agora!<\/b><\/strong><\/h2>\n<h4><strong><b>Se <\/b><\/strong><strong><b>Se precisar de pre\u00e7o ou COA, MSDS ou TDS, favor <\/b><\/strong><strong><b>Preencha o formul\u00e1rio abaixo e indique que , normalmente entraremos em contato dentro de 24 horas. Voc\u00ea tamb\u00e9m pode me enviar um e-mail <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"mailto:info@longchangchemical.com\">info@longchangchemical.com<\/a><\/span> durante o hor\u00e1rio comercial (das 8h30 \u00e0s 18h UTC+8 de segunda a s\u00e1bado) ou use o bate-papo ao vivo do site para obter uma resposta imediata.<\/b><\/strong><\/h4>","protected":false},"excerpt":{"rendered":"<p>Ultraviolet curing (UV) coating is a new type of environmentally friendly coating. It has an extremely fast drying rate and can be cured in just a few seconds by UV<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-5295","post","type-post","status-publish","format-standard","hentry","category-catalysts-chemical-auxiliary-agents"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What are the component raw materials of light-curing UV coatings? - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"Ultraviolet curing (UV) coating is a new type of environmentally friendly coating. 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